Last August, NantHealth Inc. said it would lay off 300 workers to reduce operating losses. The company recently reported a $175 million loss last year.

NantOmics, a precision medicine firm founded in 2012, offers a GPS Cancer test produced by NantHealth that analyzes tumor genetics and recommends potential options for treatment. It’s not known how many workers it employs.

NantHealth was the 77th-largest public company in Los Angeles County, according to the Business Journal’s 2017 list of largest public firms as ranked by market capitalization. It was valued at $514.7 million as of July 24, down 66 percent from $1.5 billion a year earlier. By March 19, its market cap had dropped to $338 million.

Health business reporter Dana Bartholomew can be reached at dbartholomew@labusinessjournal.com. Follow him on Twitter @_DanaBart.